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Atoms From Nuclear Explosions Are Embedded in Your Brain, But You’re Fine

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Channel: Seeker
Categories: Biology   |   Physics   |   Science  
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Scientists are using past atomic explosions to learn about our brains, and it’s completely changed how we think about aging.

U.S. Nuclear Missiles Are Still Controlled By Floppy Disks -

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Sorry, Adults, No New Neurons For Your Aging Brains
“The finding challenges decades of research suggesting that new neurons continue to appear in the hippocampus, an area of the brain involved in memory and emotion. It also calls into question claims that both exercise and some anti-depressant drugs could boost the production of new neurons in the hippocampus.”

Can you grow new brain cells?
"The dogma for the longest time was that adult brains couldn't generate any new brain cells. You just use what you were born with," says Dr. Amar Sahay, a neuroscientist with Harvard-affiliated Massachusetts General Hospital. "But the reality is that everyone has the capacity to develop new cells that can help enhance cognitive functions."

Nuclear Bombs Made It Possible to Carbon Date Human Tissue
“By measuring how much carbon-14 someone has in various tissues of the body, researchers can actually get an understanding of when those tissues were formed. They know how much extra carbon-14 was in the atmosphere each year and can compare the amount in a tissue with that number to find a pretty precise date.”

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This episode of Seeker was hosted by Trace Dominguez

Special thanks to Julian Huguet for writing this episode of Seeker!
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